Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespSB Acoustics SB13PFCR25-4 4Ω
LF DriverMedia
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Overview
LF DriverSB13 series
SB Acoustics
SB Acoustics SB13PFCR25-4
SB Acoustics SB13PFCR25-4 is a 5" 4 ohm LF driver rated at 40W RMS. The validated T/S data includes Fs 44Hz, Qts 0.29, Vas 13.4L, Xmax 9mm, sensitivity 87.4dB, plus 78cm³ Vd and 133 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £24.81.
Size
5"
Impedance
4Ω
RMS Power
40W
Sensitivity
87.4dB
89.0dBmanufacturer; using T/S-derived value (1.6dB delta).
EBP
133
Vented alignment
Vd
78cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
30 degrees240 ptsp1medium
60 degrees240 ptsp1medium
Curve provenanceInspect 3 tracesHide details
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
30 degrees
Frequency response
240 plotted pointsMedium confidence1,326 selected pixels of 2,525 - Trace datasheet-response-trace-poc/v1
60 degrees
Frequency response
240 plotted pointsMedium confidence1,462 selected pixels of 2,379 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsMedium confidence1,873 selected pixels of 4,546
T/S Parameters
Valid
Fs44Hz
Qts0.29
Qes0.33
Qms2.6
Vas13.4L
Re3.2Ω
Le0.56mH
BL5.3Tm
Sd87cm²
Mms11g
Xmax9.0mm
SPL87dB
Power40W
Impedance4Ω
Voice Coil25mm
Flux Density1.06T
Pricing & availability
Price definitionsPrice movement
Other offers
7 vendorssoundimports
Updated 11 Sept 2026· 4Ω
Source: inc VAT
£24.44
inc VAT
Out of stock
leanaudio
Updated 11 Sept 2026· 4Ω
Source: inc VAT · 20%
£24.81
inc VAT
Out of stock
willyshifi
Updated 11 Sept 2026· 4Ω
Source: inc VAT · 20%
£30.95
inc VAT
leanbusiness
Updated 17 May 2026· 4Ω
Source: inc VAT · 20%
£47.36
inc VAT
leanaudio
Updated 11 Sept 2026· 4Ω
Source: inc VAT · 20%
£47.36
inc VAT
2 in stock
soundimports
Updated 11 Sept 2026· 4Ω
Source: inc VAT
£52.37
inc VAT
Out of stock
willyshifi
Updated 11 Sept 2026· 4Ω
Source: inc VAT · 20%
£59.95
inc VAT
Best current price
Updated 17 May 2026
leanbusiness
£24.81
Avg £42.09£17.28 below avg (-41.0%)
inc VAT
Use this driver
Open it in 00 Simulator, download it for your enclosure tool, or copy the specification values.
Files use canonical values. Required mechanical fields are derived only where the target format needs them.
WinISD
.wdr · WinISD driver editor
Native WinISD driver record with the required SI conversions.
Download for WinISDBASTA!
.bastaelement · BASTA! loudspeaker simulator
Native BASTA! element file using its documented SI-unit fields.
Download for BASTA!VituixCAD
.wdr · VituixCAD 2 Enclosure
A WinISD driver file that VituixCAD imports directly.
Download for VituixCAD00 Simulator
Direct import · Web app
Start a new enclosure simulation with this driver already loaded.
Open in 00 SimulatorCopy spec sheet
Plain text · Clipboard
Copy the available values as a clean label-and-value list.
Dimensions & Physical
Weight0.9kg
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Size stays fixed. Tune the T/S ranges to change what counts as a match, or add a specific driver to compare it directly.
Reference
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SB13PFCR25-4
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Best current price
£24.81
Compare on
Matches sit inside every range. Size stays fixed automatically.
5 active T/S params, plus size. Pin a driver to open a side-by-side comparison.
12 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
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